/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.json.action;

import com.json.bean.User;
import com.json.database.UserDao;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Administrator
 */
@WebServlet(name = "LoginServlet", urlPatterns = {"/Login.jsp"})
public class LoginServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        request.setCharacterEncoding("utf-8");
        User user = new User();
        UserDao userdao = new UserDao();
        user.setUsername( request.getParameter("username"));
        user.setPass( request.getParameter("pass"));
        boolean b = userdao.login(user);
      String send= "";
        String code = request.getParameter("code");
        String codes = (String) request.getSession().getAttribute("code");
        //String sends= "login.jsp";
        String noice = "";
        if(b&&code.equals(codes)){
            send = "submit.jsp";
            noice = "登陆成功！";
             request.setAttribute("noice", noice);
             request.getRequestDispatcher(send).forward(request, response);
          //  response.sendRedirect(send);
        } else {
            noice = "登陆失败！";
            send = "login.jsp";
            request.setAttribute("noice", noice);
        request.getRequestDispatcher(send).forward(request, response);
        }
     

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
